Across the vast plains that during the Upper Pleistocene formed a cold steppe ecosystem known as the mammoth steppe, the ...
As the race to control the Arctic intensifies, more research is focused on how to optimize service member performance in the ...
Vehicles and buildings designed to enable survival in extreme environments, such as spacecraft, submarines and sealed ...
Written and archaeological evidence shows traded goods included stone axes, ochre, pearl shells and more. People also traded a native tobacco called pituri – of which a couple of pounds was reportedly ...